He has never been to the United Stares,__爱下问搜题

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问题选择题

He has never been to the United Stares,______? [ ]

A. isn't he

B. doesn't he

C. hasn't he

D. has he

答案

答案：D

选择题

to sunlight for too much time, as the doctors say, will do harm to one's skin. [ ]

A. Being exposed

B. Having exposed

C. Exposed

D. After being exposed

单项选择题

药物经动脉注入后，药物分布I相（吸收期）中，关于靶器官内药物分布量叙述中正确的是（）。

A.受到药物脂溶性和蛋白结合性的影响

B.受到血压和心率的影响

C.不受血流分布的影响

D.受到血流分布的影响

E.是全身药物分布量最大的器官